arduino-color-e-paper-weather-station's Introduction

Arduino Color E Paper Weather Station

This is a project I've wanted to build for over a decade now. I've finally made it and I am really excited– a battery-powered weather station project. I've built many weather station projects in the past, but this one is different. It can last on batteries for months. The reason for this is the amazing E-Paper display it uses. As you can see, we have a large, 6-inch E-Paper display that can display 7 colors combined with an ESP32 microprocessor.

On the display, we show the temperature, humidity, barometric pressure, and weather forecast. We get the temperature, humidity, and barometric pressure from two sensors, and the weather forecast from the internet.

Video Tutorial

🎥 Video Tutorial on YouTube

| 📺 YouTube | 🌍 Website |

Parts Needed

🛒 E-Paper Board: https://educ8s.tv/part/ColorEPaper

🛒 DHT22: https://educ8s.tv/part/DHT22

🛒 BMP180: https://educ8s.tv/part/BMP180

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arduino-color-e-paper-weather-station's Issues

BME280 Sensor

I didn't have any sensors so I ordered a BME280 sensor. Can you provide some guidance on using this single sensor instead of the two separate, DHT22 and BMP180, sensors?

List of Arduino libraries needed

Please add documentation for exactly which Arduino libraries are needed to successfully build this project.

Sketch fails with no sensors attached.

While waiting for my sensor(s) to arrive, I made the edits required to use openweathermap API and my WiFi and attempted to test with just those changes. Instead of the expected results I got an error as shown below. I believe it would be useful to add code that will detect if the sensors exist and do something that doesn't result in an "IntegerDivideByZero".

Rebooting...

ets Jul 29 2019 12:21:46

rst:0xc (SW_CPU_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)

configsip: 0, SPIWP:0xee

clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00

mode:DIO, clock div:1

load:0x3fff0030,len:1344

load:0x40078000,len:13864

load:0x40080400,len:3608

entry 0x400805f0

Bootup count: 0

Guru Meditation Error: Core  1 panic'ed (IntegerDivideByZero). Exception was unhandled.

Core  1 register dump:

PC      : 0x400d634e  PS      : 0x00060e30  A0      : 0x800d6110  A1      : 0x3ffb27a0

A2      : 0x3ffcc040  A3      : 0x00000000  A4      : 0x0000000a  A5      : 0x00000000

A6      : 0x3ffba4ec  A7      : 0x00000000  A8      : 0x00000000  A9      : 0x00000000

A10     : 0x0007ffff  A11     : 0x00fffff4  A12     : 0x38000000  A13     : 0x00000000

A14     : 0x00000381  A15     : 0x40240000  SAR     : 0x00000005  EXCCAUSE: 0x00000006

EXCVADDR: 0x00000000  LBEG    : 0x4008b30c  LEND    : 0x4008b322  LCOUNT  : 0xffffffff

Backtrace:0x400d634b:0x3ffb27a00x400d610d:0x3ffb27c0 0x400d5f3d:0x3ffb27e0 0x400e0b5a:0x3ffb2820

ELF file SHA256: 0000000000000000